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Hearing aid with a switching device for switching on and off and corresponding method

  • US 7,522,739 B2
  • Filed: 05/10/2005
  • Issued: 04/21/2009
  • Est. Priority Date: 05/11/2004
  • Status: Expired due to Fees
First Claim
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1. A hearing aid, comprising a switching device for switching the hearing aid on and off, wherein:

  • the switching device includes a resistance sensor for detecting an electrical load resistance, a value of the electrical load resistance being determined by a size of the volume into which the hearing aid emits sound, wherein a first size of the volume is defined upon insertion of the hearing aid into an auditory canal of an user wearing the hearing aid, and a second size of the volume is defined upon deinsertion of the hearing aid from the auditory canal of the user, andthe switching device is adapted to automatically switch on and off the hearing aid based on the respective value of the electrical load resistance resulting upon insertion and deinsertion of the hearing aid relative to the auditory canal of the user.

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